Dubbed the "Great Firewall of China",... the Chinese government has long blocked a number of western websites including Google, Facebook and Instagram. <br />And after it blocked access to Korea's top portal Naver last year,... now Daum is said to be blocked, as well.<br />According to several reports on Sunday,... residents in cities such as Beijing and Shanghai were not able to access the South Korean portal site. <br />Many South Koreans living in China use the Daum blog sites to get a wide range of information,... and to purchase goods.<br />Back in 2014, South Korea's messenger applications KakaoTalk and Line were blocked in China,... as Beijing ramped up internet censorship that year. <br />